/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/GameplayEffectExecutionCalculation.h
Attempts to calculate the bonus magnitude of a captured attribute given the specified parameters. Can fail if the gameplay spec doesn't have a valid capture for the attribute.
True if the bonus magnitude was successfully calculated, false if it was not
bool AttemptCalculateCapturedAttributeBonusMagnitude ( const [FGameplayEffectAttributeCaptureDefinition](API\Plugins\GameplayAbilities\FGameplayEffectAttributeCaptureD-) & InCaptureDef, const [FAggregatorEvaluateParameters](API\Plugins\GameplayAbilities\FAggregatorEvaluateParameters) & InEvalParams, float & OutBonusMagnitude ) const